Addition and Subtraction within 20
9+8=?
17
64+27=
91
76-33=
43
Bonus Points
100 Points
What is the inverse operation of 54 + 12 = 66
66 - 54 = 12 OR 66 - 12 = 54
6+7=?
13
75+9=
84
95-78=
17
85-9=
76
What is the inverse operation of 5 + 3 = 8
8 - 3 = 5 OR 8 - 5 = 3
If Dabish had 17 cookies, and Maddox came over and took 8, how many does Dabish have left?
9 Cookies
53+38=
Munira has 42 markers. She decides to share her markers with Mahmoud, and gives 18 away. How many markers does Munira have left?
24
Joseph has 34 books. Izzy has 61 books. How many books do they have all together?
95 Books
What is the inverse operation of 12 - 4 = 8?
4 + 8 = 12
Olivija has some candy. Dominic has 12 more pieces than Olivija. Together they have 19 pieces of candy. How many does Olivija have?
7
If Kenzie has 62 apples and Everly has 19 oranges, how many do they have all together?
81
Ezra has 48 goldfish, but wants to share, and gives Janvi 27 of them. How many goldfish does Ezra have left.
21
163+15=
178
5+4=9
4+5=9
9-5=4
9-4=5